1 year ago

What is 162divide[6 multiply (7-4) to the second power] help please

Mathematics

1 answer:

Setler [38]1 year ago

3 0

Answer:

please mark me brainlist

Step-by-step explanation:

i need it

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There is 0.3 kg of tin in a sword.

Sauron [17]

Answer:

2 kg

Step-by-step explanation:

15/100 x = 0.3

x = 0.3 * 100/15

x = 2

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2 years ago

If f(t)=3t^2+11 find f(7)

tamaranim1 [39]

Answer:

f(7) = 158

Step-by-step explanation:

To evaluate f(7) substitute t = 7 into f(t)

f(7) = 3(7)² + 11 = (3 × 49) + 11 = 147 + 11 = 158

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3 years ago

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A painting is 4 feet long.A photo frame is 10 inches long.How many inches longer is the painting then the photo frame?

Galina-37 [17]

Change 4 feet to inches
4 feet is 48 inches
48-10=38

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2 years ago

Find the value of y so that line is passing through two points

Alenkinab [10]

Slope of a line passing through two given points
= (y2-y1)/(x2-x1)

For m=3, and substituting coordinates,
3=(1-y)/(4-1)
solve for y
1-y=3*3=9
y=1-9=-8

Answer: y=-8

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3 years ago

The triangles below are similar. Find x showing the proportion and all work.

zavuch27 [327]

we are given that

two triangles are similar

so, the ratio of their sides must be same

we get

$\frac{2}{6} =\frac{x}{x+2}$

now, we can solve for x

step-1: Cross multiply both sides

$2(x+2) =6x$

step-2: Simplify left side

$2x +4 =6x$

step-3: Subtract both sides by 2x

$2x +4-2x =6x-2x$

$4 =4x$

step-4: Divide both sides by 4

$x=1$

so,

$x=1$ ............Answer

7 0

3 years ago